dell - Ubuntu 18.04 Hdmi not detected - Ask Ubuntu
Ubuntu: HDMI port not detected on Ubuntu 18.04 - YouTube
Ubuntu Forums
20.04 Display issues with AMD GPU - Hardware - Ubuntu MATE Community
Ubuntu 20.04 Second monitor is not working : r/linux4noobs
Fixed: No Sound in Ubuntu as HDMI Enabled By Default
DisplayPort to HDMI Audio work for Linux Ubuntu but not Windows 10 - Super User
VIM3 board HDMI not working with Ubuntu OS - VIM3 - Khadas Community
Fix no audio through HDMI when connected to TV in elementary OS
![HDMI audio not showing [21.10] - Raspberry Pi - Ubuntu MATE Community](https://ubuntu-mate.community/uploads/default/original/3X/9/e/9ec06bef80adaa83a51097ccda0ccba1fc76eb3b.png "HDMI audio not showing [21.10] - Raspberry Pi - Ubuntu MATE Community")
HDMI audio not showing [21.10] - Raspberry Pi - Ubuntu MATE Community
nvidia - Ubuntu 19.10 not detecting HDMI cable - Ask Ubuntu
No sound via HDMI on Ubuntu 21.04 : r/linux4noobs
display - Secondary HDMI port not detected (Ubuntu 16.04) - Unix & Linux Stack Exchange
Can't connect to second monitor via HDMI (Ubuntu 20.04) - Linux - NVIDIA Developer Forums
drivers - HDMI not displaying external monitor in Ubuntu 14.04 - Ask Ubuntu
hdmi - Ubuntu not detecting the external display anymore - Ask Ubuntu
drivers - External monitor not detected on Ubuntu 18.04 - Ask Ubuntu
Fix No Sound Through HDMI In External Monitor In Ubuntu Linux - It's FOSS
Ubuntu 17.10: HDMI -no sound, headphones work - Ask Ubuntu
Fix No Sound (Dummy Output) Issue In Ubuntu With SND HDA Intel - Linux Uprising Blog
linuxium.com.au: Fixing broken HDMI audio (again)
pulseaudio - Newly opened applications always default to HDMI sound output ( Ubuntu 20.04) - Ask Ubuntu
